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Fuel

Fuel Card Abuse

Suspect fuel-card transactions: after-hours, over-tank-capacity and duplicate fills.

📖 6 min read🎯 Intermediate✍️ Updated 2026

Stopping the slow leak at the pump

Fuel-card abuse is low-value per transaction but high-volume and easily concealed, making it a steady drain that escapes casual review. It falls within the asset-safeguarding and expenditure-control duties of the MFMA and PFMA and is exactly the kind of pattern continuous analytics are built to catch. AuditPro Core analyses every fuel transaction for the signatures of abuse so suspect fills are challenged rather than absorbed as normal cost.

The Numbers

AuditPro Core renders this view from your tenant's live, tamper-evident records. The figures below are illustrative sample data.

Suspect transactions

8,420

▲ 10%

Estimated abuse

R18 m

Over-capacity fills

1,260

Cards suspended

214

▲ 48

Suspect fuel transactions by flag

Fuel abuse by depot

DepotSuspect txnsValue (R m)
Metro D fleet24105.2
Dept C fleet19804.1
SOE Alpha fleet16403.6
Metro B fleet11902.4

Figures shown are illustrative sample data for demonstration. AuditPro Core renders these views from your own tenant's live, tamper-evident records.

Over-tank-capacity fills

A transaction dispensing more fuel than the vehicle's tank can hold indicates the fuel went elsewhere. Matching litres dispensed to known tank capacity is a direct red flag.

After-hours and weekend activity

Fuel drawn when the vehicle should be parked, outside operational hours or on non-working days, warrants explanation. Time-stamp analysis isolates these transactions.

Duplicate and rapid-repeat fills

Two fills minutes or hours apart, or at distant locations, are physically implausible for one vehicle. Sequence and geography checks surface card cloning or sharing.

Reconciliation to usage

Comparing fuel volumes to logged kilometres exposes consumption that no journey can justify. The mismatch turns a suspect pattern into a quantified loss.

How AuditPro Core Bridges the Gap

  • Continuous monitoring: every fuel transaction is screened for capacity, time and frequency anomalies.
  • Reconciliation: litres are matched to tank capacity and logged kilometres to quantify suspect usage.
  • Exception workflow: flagged transactions are routed to the responsible manager for explanation or escalation.
  • Traceability to source: each flag links to the card, vehicle, driver and transaction record.

Key Takeaways

  • Litres exceeding tank capacity is an unambiguous red flag.
  • After-hours and rapid-repeat fills warrant explanation.
  • Fuel-to-kilometre reconciliation converts suspicion into a quantified loss.
  • Low per-transaction value still adds up to material leakage at volume.

See This on Your Own Data

AuditPro Core renders this dashboard from your tenant's live, tamper-evident records — every figure traceable to source.